An MCP server that provides access to common Cisco Modeling Labs (CML) operations.
To add Cisco Modeling Labs CML to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 6 environment variables, listed below.
Install
uvx cml-mcp@0.32.2Environment variables
CML_URLSet in your MCP configCML_USERNAMESet in your MCP configCML_PASSWORDSet in your MCP configPYATS_USERNAMESet in your MCP configPYATS_PASSWORDSet in your MCP configPYATS_AUTH_PASSSet in your MCP configInstall with your client
claude mcp add cisco-modeling-labs-cml --env CML_URL=<YOUR_CML_URL> --env CML_USERNAME=<YOUR_CML_USERNAME> --env CML_PASSWORD=<YOUR_CML_PASSWORD> --env PYATS_USERNAME=<YOUR_PYATS_USERNAME> --env PYATS_PASSWORD=<YOUR_PYATS_PASSWORD> --env PYATS_AUTH_PASS=<YOUR_PYATS_AUTH_PASS> -- uvx cml-mcp@0.32.2
Run this in a terminal to add the server to Claude Code.
What this does
Cisco Modeling Labs CML exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
CML_URL CML_USERNAME CML_PASSWORD PYATS_USERNAME PYATS_PASSWORD PYATS_AUTH_PASS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Cisco Modeling Labs CML?
Run the Claude Code command in the install section to add Cisco Modeling Labs CML to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Cisco Modeling Labs CML?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Cisco Modeling Labs CML as well.
Does Cisco Modeling Labs CML need an API key?
Yes. Before it can run, set these environment variables: CML_URL, CML_USERNAME, CML_PASSWORD, PYATS_USERNAME, PYATS_PASSWORD, PYATS_AUTH_PASS. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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